Finding the Fourth Proportional to 1,035.16, 1,428.51 and 563.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.16 : 1,428.51 = 563.05 : x
2. Step 2: Convert to fraction form
   1,035.16/1,428.51 = 563.05/x
3. Step 3: Cross multiply
   1,035.16x = 1,428.51 × 563.05
4. Step 4: Simplify right side
   1,035.16x = 804,322.56
5. Step 5: Solve for x
   x = 804,322.56/1,035.16
6. Step 6: Final answer
   x = 777.00